Сравните (a+60)*4 a*5+240 (a*c)*42 (c*6)*(a*8) (t+900)\90 t\90+10 (a-125)*4 a*4-500 (x-140)\7 x\7-70 d\(10*2) d\10\2
(a+60)*4 < a*5+240 a*4+240(a*c)*42 < (c*6)*(a*8) 42ac<48 ac<br>(t+900)\90 = t\90+10 t/90+10=t/90+10 (a-125)*4 < a*4-500 a*4-600(x-140)\7 > x\7-70 x/7-20>x/7-70 d\(10*2) < d\10\2</span> d/20